<!--
 * @Author: HeAo
 * @Date: 2021-12-14 10:43:51
 * @LastEditTime: 2021-12-14 11:59:17
 * @LastEditors: HeAo
 * @Description: 
 * @FilePath: \甘肃农大-2021-12-12\study\day02\1-helloworld.html
-->
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="./style.css">
  <style>
    body {
      margin: 0;
    }

    .box {
      background-color: teal;
      height: 300px;
      width: 300px;
    }

    .content {
      border: 1px solid #333333;
    }
  </style>
</head>

<body>
  <div id="first" class="box">hello world</div>
  <br>
  <div id="second" class="box">hello html div</div>
  <!-- 段落标签 -->
  <p>我是段落标签</p>
  <!-- 标题标签 -->
  <h1>我是h1标签</h1>
  <h2>我是h2标签</h2>
  <h3>我是h3标签</h3>
  <h4>我是h4标签</h4>
  <h5>我是h5标签</h5>
  <h6>我是h6标签</h6>
  <!-- 行内元素使用 -->
  <div class="content">
    <span>内容一</span>
    <span>内容二</span>
    <span>内容三</span>
    <a href="https://www.baidu.com">百度一下</a>
    <img width="100px" src="http://47.101.184.44/imageService/29f9dcc0-4ff7-11ec-8c5a-6b9369982a81.jpg" alt="图片丢失">
  </div>
  <!-- 无序列表标签 -->
  <ul>
    <li id="zhangsan">张三</li>
    <li>李四</li>
    <li>王五</li>
  </ul>
  <ul>
    <li>1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li>5</li>
  </ul>
  <div class="father">
    <div class="son">
      <div class="grandson">

      </div>
    </div>
  </div>
</body>

</html>